Make environments_spec more feature-spec

spec/features/environments_spec.rb

 require 'spec_helper'
 
-describe 'Environments' do
-  include GitlabRoutingHelper
+feature 'Environments', feature: true do
+  given(:project) { create(:empty_project) }
+  given(:user) { create(:user) }
+  given(:role) { :developer }
 
-  let(:project) { create(:empty_project) }
-  let(:user) { create(:user) }
-  let(:role) { :developer }
-
-  before do
+  background do
     login_as(user)
     project.team << [user, role]
   end
 
-  describe 'GET /:project/environments' do
-    subject { visit namespace_project_environments_path(project.namespace, project) }
+  describe 'when showing environments' do
+    given!(:environment) { }
+    given!(:deployment) { }
 
-    context 'without environments' do
-      it 'does show no environments' do
-        subject
+    before do
+      visit namespace_project_environments_path(project.namespace, project)
+    end
 
+    context 'without environments' do
+      scenario 'does show no environments' do
         expect(page).to have_content('No environments to show')
       end
     end
 
     context 'with environments' do
-      let!(:environment) { create(:environment, project: project) }
-
-      it 'does show environment name' do
-        subject
+      given(:environment) { create(:environment, project: project) }
 
+      scenario 'does show environment name' do
         expect(page).to have_link(environment.name)
       end
 
       context 'without deployments' do
-        it 'does show no deployments' do
-          subject
-
+        scenario 'does show no deployments' do
           expect(page).to have_content('No deployments yet')
         end
       end
 
       context 'with deployments' do
-        let!(:deployment) { create(:deployment, environment: environment) }
-
-        it 'does show deployment SHA' do
-          subject
+        given(:deployment) { create(:deployment, environment: environment) }
 
+        scenario 'does show deployment SHA' do
           expect(page).to have_link(deployment.short_sha)
         end
       end
     end
 
-    it 'does have a New environment button' do
-      subject
-
+    scenario 'does have a New environment button' do
       expect(page).to have_link('New environment')
     end
   end
 
-  describe 'GET /:project/environments/:id' do
-    let(:environment) { create(:environment, project: project) }
+  describe 'when showing the environment' do
+    given(:environment) { create(:environment, project: project) }
+    given!(:deployment) { }
 
-    subject { visit namespace_project_environment_path(project.namespace, project, environment) }
+    before do
+      visit namespace_project_environment_path(project.namespace, project, environment)
+    end
 
     context 'without deployments' do
-      it 'does show no deployments' do
-        subject
-
+      scenario 'does show no deployments' do
         expect(page).to have_content('No deployments for')
       end
     end
 
     context 'with deployments' do
-      let!(:deployment) { create(:deployment, environment: environment) }
-
-      before { subject }
+      given(:deployment) { create(:deployment, environment: environment) }
 
-      it 'does show deployment SHA' do
+      scenario 'does show deployment SHA' do
         expect(page).to have_link(deployment.short_sha)
       end
 
-      it 'does not show a retry button for deployment without build' do
+      scenario 'does not show a retry button for deployment without build' do
         expect(page).not_to have_link('Retry')
       end
 
       context 'with build' do
-        let(:build) { create(:ci_build, project: project) }
-        let(:deployment) { create(:deployment, environment: environment, deployable: build) }
+        given(:build) { create(:ci_build, project: project) }
+        given(:deployment) { create(:deployment, environment: environment, deployable: build) }
 
-        it 'does show build name' do
+        scenario 'does show build name' do
           expect(page).to have_link("#{build.name} (##{build.id})")
         end
 
-        it 'does show retry button' do
+        scenario 'does show retry button' do
           expect(page).to have_link('Retry')
         end
       end
     end
   end
 
-  describe 'POST /:project/environments' do
-    before { visit namespace_project_environments_path(project.namespace, project) }
+  describe 'when creating a new environment' do
+    before do
+      visit namespace_project_environments_path(project.namespace, project)
+    end
 
     context 'when logged as developer' do
-      before { click_link 'New environment' }
+      before do
+        click_link 'New environment'
+      end
 
       context 'for valid name' do
         before do
@@ -111,7 +107,7 @@ describe 'Environments' do
           click_on 'Create environment'
         end
 
-        it 'does create a new pipeline' do
+        scenario 'does create a new pipeline' do
           expect(page).to have_content('production')
         end
       end
@@ -122,38 +118,41 @@ describe 'Environments' do
           click_on 'Create environment'
         end
 
-        it { expect(page).to have_content('Name can contain only letters') }
+        scenario 'does show errors' do
+          expect(page).to have_content('Name can contain only letters')
+        end
       end
     end
 
     context 'when logged as reporter' do
-      let(:role) { :reporter }
+      given(:role) { :reporter }
 
-      it 'does not have a New environment link' do
+      scenario 'does not have a New environment link' do
         expect(page).not_to have_link('New environment')
       end
     end
   end
 
-  describe 'DELETE /:project/environments/:id' do
-    let(:environment) { create(:environment, project: project) }
+  describe 'when deleting existing environment' do
+    given(:environment) { create(:environment, project: project) }
 
-    before { visit namespace_project_environment_path(project.namespace, project, environment) }
+    before do
+      visit namespace_project_environment_path(project.namespace, project, environment)
+    end
 
     context 'when logged as master' do
-      let(:role) { :master }
-
-      before { click_link 'Destroy' }
+      given(:role) { :master }
 
-      it 'does not have environment' do
+      scenario 'does delete environment' do
+        click_link 'Destroy'
         expect(page).not_to have_link(environment.name)
       end
     end
 
     context 'when logged as developer' do
-      let(:role) { :developer }
+      given(:role) { :developer }
 
-      it 'does not have a Destroy link' do
+      scenario 'does not have a Destroy link' do
         expect(page).not_to have_link('Destroy')
       end
     end